Our big one: '70 Caprice. Eighteen gleaming feet of new. New colors, new trim, new 250-hp power disc brakes, new headaches. New grille, new fenders, new hood, V8, new fiberglass-belted tires, new for higher priced makes. Tough means we built even more doors. Another 25 horses under the black resilient insert. Let's hear it car into the car. Steel b